1040211022545 has 144 divisors (see below), whose sum is σ = 1976744952000. Its totient is φ = 504024208128.

The previous prime is 1040211022541. The next prime is 1040211022561. The reversal of 1040211022545 is 5452201120401.

It is a happy number.

1040211022545 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 2 + 110 + 2 + 2 + 545 = 666.

It is not a de Polignac number, because 1040211022545 - 2² = 1040211022541 is a prime.

It is a super-2 number, since 2×1040211022545² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040211022541) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 658777566 + ... + 658779144.

It is an arithmetic number, because the mean of its divisors is an integer number (13727395500).

Almost surely, 2^{1040211022545} is an apocalyptic number.

1040211022545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040211022545 is a deficient number, since it is larger than the sum of its proper divisors (936533929455).

1040211022545 is a wasteful number, since it uses less digits than its factorization.

1040211022545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 1040211022545 its reverse (5452201120401), we get a palindrome (6492412142946).

The spelling of 1040211022545 in words is "one trillion, forty billion, two hundred eleven million, twenty-two thousand, five hundred forty-five".