1087612403537 has 4 divisors (see below), whose sum is σ = 1186486258416. Its totient is φ = 988738548660.

The previous prime is 1087612403509. The next prime is 1087612403609. The reversal of 1087612403537 is 7353042167801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1087612403537 - 2⁶ = 1087612403473 is a prime.

It is a super-2 number, since 2×1087612403537² (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 = 1087612403491 and 1087612403500.

It is not an unprimeable number, because it can be changed into a prime (1087612483537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49436927423 + ... + 49436927444.

It is an arithmetic number, because the mean of its divisors is an integer number (296621564604).

Almost surely, 2^{1087612403537} is an apocalyptic number.

It is an amenable number.

1087612403537 is a deficient number, since it is larger than the sum of its proper divisors (98873854879).

1087612403537 is an equidigital number, since it uses as much as digits as its factorization.

1087612403537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98873854878.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 1087612403537 in words is "one trillion, eighty-seven billion, six hundred twelve million, four hundred three thousand, five hundred thirty-seven".