1087660840531 has 8 divisors (see below), whose sum is σ = 1151663302800. Its totient is φ = 1023660868608.

The previous prime is 1087660840501. The next prime is 1087660840547. The reversal of 1087660840531 is 1350480667801.

It is a happy number.

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 1087660840531 - 2⁵ = 1087660840499 is a prime.

It is a super-2 number, since 2×1087660840531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087660840501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317155 + ... + 1508611.

It is an arithmetic number, because the mean of its divisors is an integer number (143957912850).

Almost surely, 2^{1087660840531} is an apocalyptic number.

1087660840531 is a deficient number, since it is larger than the sum of its proper divisors (64002462269).

1087660840531 is a wasteful number, since it uses less digits than its factorization.

1087660840531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245173.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 1087660840531 in words is "one trillion, eighty-seven billion, six hundred sixty million, eight hundred forty thousand, five hundred thirty-one".