920032451551 has 8 divisors (see below), whose sum is σ = 962708060160. Its totient is φ = 877579692792.

The previous prime is 920032451509. The next prime is 920032451563. The reversal of 920032451551 is 155154230029.

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 920032451551 - 2⁷ = 920032451423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 920032451551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920032451581) 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, 55704015 + ... + 55720528.

It is an arithmetic number, because the mean of its divisors is an integer number (120338507520).

Almost surely, 2^920032451551 is an apocalyptic number.

920032451551 is a deficient number, since it is larger than the sum of its proper divisors (42675608609).

920032451551 is a wasteful number, since it uses less digits than its factorization.

920032451551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111424925.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 920032451551 in words is "nine hundred twenty billion, thirty-two million, four hundred fifty-one thousand, five hundred fifty-one".