15492257475803 has 4 divisors (see below), whose sum is σ = 15492265636848. Its totient is φ = 15492249314760.

The previous prime is 15492257475767. The next prime is 15492257475817. The reversal of 15492257475803 is 30857475229451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 15492257475803 - 2³⁴ = 15475077606619 is a prime.

It is a super-2 number, since 2×15492257475803² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15492257475503) 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, 425825 + ... + 5582637.

It is an arithmetic number, because the mean of its divisors is an integer number (3873066409212).

Almost surely, 2^{15492257475803} is an apocalyptic number.

15492257475803 is a deficient number, since it is larger than the sum of its proper divisors (8161045).

15492257475803 is an equidigital number, since it uses as much as digits as its factorization.

15492257475803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8161044.

The product of its (nonzero) digits is 84672000, while the sum is 62.

The spelling of 15492257475803 in words is "fifteen trillion, four hundred ninety-two billion, two hundred fifty-seven million, four hundred seventy-five thousand, eight hundred three".