51101030423442 has 32 divisors (see below), whose sum is σ = 106729011118080. Its totient is φ = 16280343185040.

The previous prime is 51101030423407. The next prime is 51101030423519. The reversal of 51101030423442 is 24432403010115.

51101030423442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51101030423442² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144583984 + ... + 144936987.

It is an arithmetic number, because the mean of its divisors is an integer number (3335281597440).

Almost surely, 2^{51101030423442} is an apocalyptic number.

51101030423442 is an abundant number, since it is smaller than the sum of its proper divisors (55627980694638).

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

51101030423442 is a wasteful number, since it uses less digits than its factorization.

51101030423442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289522278.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 51101030423442 its reverse (24432403010115), we get a palindrome (75533433433557).

The spelling of 51101030423442 in words is "fifty-one trillion, one hundred one billion, thirty million, four hundred twenty-three thousand, four hundred forty-two".