61011357 has 16 divisors (see below), whose sum is σ = 88986432. Its totient is φ = 36875520.

The previous prime is 61011343. The next prime is 61011359. The reversal of 61011357 is 75311016.

It is not a de Polignac number, because 61011357 - 2¹⁰ = 61010333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61011359) 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, 10773 + ... + 15429.

It is an arithmetic number, because the mean of its divisors is an integer number (5561652).

Almost surely, 2^61011357 is an apocalyptic number.

It is an amenable number.

61011357 is a deficient number, since it is larger than the sum of its proper divisors (27975075).

61011357 is a wasteful number, since it uses less digits than its factorization.

61011357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 61011357 is about 7810.9766994916. The cubic root of 61011357 is about 393.6741467388.

The spelling of 61011357 in words is "sixty-one million, eleven thousand, three hundred fifty-seven".