101051623542 has 16 divisors (see below), whose sum is σ = 202570003440. Its totient is φ = 33606081792.

The previous prime is 101051623531. The next prime is 101051623649. The reversal of 101051623542 is 245326150101.

It is a super-2 number, since 2×101051623542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19445367 + ... + 19450562.

It is an arithmetic number, because the mean of its divisors is an integer number (12660625215).

Almost surely, 2^101051623542 is an apocalyptic number.

101051623542 is an abundant number, since it is smaller than the sum of its proper divisors (101518379898).

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

101051623542 is a wasteful number, since it uses less digits than its factorization.

101051623542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38896367.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 101051623542 its reverse (245326150101), we get a palindrome (346377773643).

The spelling of 101051623542 in words is "one hundred one billion, fifty-one million, six hundred twenty-three thousand, five hundred forty-two".