1355572150121 has 16 divisors (see below), whose sum is σ = 1558449540864. Its totient is φ = 1155010074624.

The previous prime is 1355572150091. The next prime is 1355572150123. The reversal of 1355572150121 is 1210512755531.

It is not a de Polignac number, because 1355572150121 - 2¹⁸ = 1355571887977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355572150123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375325 + ... + 2145381.

It is an arithmetic number, because the mean of its divisors is an integer number (97403096304).

Almost surely, 2^{1355572150121} is an apocalyptic number.

It is an amenable number.

1355572150121 is a deficient number, since it is larger than the sum of its proper divisors (202877390743).

1355572150121 is a wasteful number, since it uses less digits than its factorization.

1355572150121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771560.

The product of its (nonzero) digits is 52500, while the sum is 38.

The spelling of 1355572150121 in words is "one trillion, three hundred fifty-five billion, five hundred seventy-two million, one hundred fifty thousand, one hundred twenty-one".