101557154042 has 8 divisors (see below), whose sum is σ = 152432950656. Its totient is φ = 50746170492.

The previous prime is 101557154009. The next prime is 101557154059. The reversal of 101557154042 is 240451755101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101557154042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101557153993 and 101557154011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16199348 + ... + 16205615.

It is an arithmetic number, because the mean of its divisors is an integer number (19054118832).

Almost surely, 2^101557154042 is an apocalyptic number.

101557154042 is a deficient number, since it is larger than the sum of its proper divisors (50875796614).

101557154042 is a wasteful number, since it uses less digits than its factorization.

101557154042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32406532.

The product of its (nonzero) digits is 28000, while the sum is 35.

The spelling of 101557154042 in words is "one hundred one billion, five hundred fifty-seven million, one hundred fifty-four thousand, forty-two".