1131215153245 has 32 divisors (see below), whose sum is σ = 1419741757440. Its totient is φ = 864232200000.

The previous prime is 1131215153221. The next prime is 1131215153287. The reversal of 1131215153245 is 5423515121311.

It is not a de Polignac number, because 1131215153245 - 2⁹ = 1131215152733 is a prime.

It is a super-2 number, since 2×1131215153245² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1131215153245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23866320 + ... + 23913670.

It is an arithmetic number, because the mean of its divisors is an integer number (44366929920).

Almost surely, 2^{1131215153245} is an apocalyptic number.

It is an amenable number.

1131215153245 is a deficient number, since it is larger than the sum of its proper divisors (288526604195).

1131215153245 is a wasteful number, since it uses less digits than its factorization.

1131215153245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49417.

The product of its digits is 18000, while the sum is 34.

The spelling of 1131215153245 in words is "one trillion, one hundred thirty-one billion, two hundred fifteen million, one hundred fifty-three thousand, two hundred forty-five".