10551772770 has 64 divisors (see below), whose sum is σ = 31573103616. Its totient is φ = 2192575680.

The previous prime is 10551772733. The next prime is 10551772771. The reversal of 10551772770 is 7727715501.

It is a super-2 number, since 2×10551772770² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (10551772771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2281624 + ... + 2286243.

It is an arithmetic number, because the mean of its divisors is an integer number (493329744).

Almost surely, 2^10551772770 is an apocalyptic number.

10551772770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10551772770 is an abundant number, since it is smaller than the sum of its proper divisors (21021330846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10551772770 is a wasteful number, since it uses less digits than its factorization.

10551772770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567895.

The product of its (nonzero) digits is 120050, while the sum is 42.

The spelling of 10551772770 in words is "ten billion, five hundred fifty-one million, seven hundred seventy-two thousand, seven hundred seventy".