1153540344545 has 8 divisors (see below), whose sum is σ = 1465674790824. Its totient is φ = 868548024064.

The previous prime is 1153540344503. The next prime is 1153540344587. The reversal of 1153540344545 is 5454430453511.

It is an interprime number because it is at equal distance from previous prime (1153540344503) and next prime (1153540344587).

It can be written as a sum of positive squares in 4 ways, for example, as 368191676944 + 785348667601 = 606788^2 + 886199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1153540344545 - 2⁸ = 1153540344289 is a prime.

It is a super-2 number, since 2×1153540344545² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1153540344496 and 1153540344505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6785531354 + ... + 6785531523.

It is an arithmetic number, because the mean of its divisors is an integer number (183209348853).

Almost surely, 2^{1153540344545} is an apocalyptic number.

It is an amenable number.

1153540344545 is a deficient number, since it is larger than the sum of its proper divisors (312134446279).

1153540344545 is a wasteful number, since it uses less digits than its factorization.

1153540344545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13571062899.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 1153540344545 in words is "one trillion, one hundred fifty-three billion, five hundred forty million, three hundred forty-four thousand, five hundred forty-five".